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Code Activity
13993 commits 49 branches 53 tags 181 MiB
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630 commits

Author SHA1 Message Date
Nikolaj Bjorner
16aec328f1 add comments, fix mixup between lower/upper 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-13 13:42:50 -07:00
Nikolaj Bjorner
33042268b5 bounds propagation functionality 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-13 13:36:22 -07:00
Nikolaj Bjorner
bda29ca26a outline for monomial bound propagation 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-13 10:37:46 -07:00
Nikolaj Bjorner
127ef59ce4 push explanation to where it is used 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-12 19:55:07 -07:00
Nikolaj Bjorner
8b546867f0 move lemma creation into nra_solver 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-12 19:47:29 -07:00
Lev Nachmanson
b2dc21b107
simplify the nla_solver interface (#4312) 
* simplify the nla_solver interface

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* more simplifications

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

* init m_use_nra_model

Signed-off-by: Lev Nachmanson <levnach@hotmail.com>

Co-authored-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-12 19:34:03 -07:00
Nikolaj Bjorner
be1a1dd7c2 add stubs 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-12 17:36:46 -07:00
Nikolaj Bjorner
32055a31db pass resource limits by reference 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-12 10:49:16 -07:00
Nikolaj Bjorner
bea0d45e6a disable new nlsat connection from master until debugged 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-12 09:38:17 -07:00
Lev Nachmanson
a14c2a3051 enable nlsat solver call from nla 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-05-11 19:12:02 -07:00
Lev Nachmanson
6b433b54e2 disable the call to nlsat from nla_solver 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-05-11 19:12:02 -07:00
Lev Nachmanson
3e4a4c6df2 rebase with master branch 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-05-11 19:12:02 -07:00
Lev Nachmanson
279d55a2c7 nra to nla 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-05-11 19:12:02 -07:00
Lev Nachmanson
e32a6714a5 call nlsat 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-05-11 19:12:02 -07:00
Lev Nachmanson
dae67987b5 add nla_lemma.h 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-05-11 19:12:02 -07:00
Lev Nachmanson
7a79397769 nra to nla 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-05-11 19:12:02 -07:00
pjneary
e254e890a1
Fix compile error GCC 6.3.1 (#4274) 
auto deduce compile error
 2020-05-11 17:41:34 -07:00
Nikolaj Bjorner
1be22a80f6 na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-11 17:20:18 -07:00
Nikolaj Bjorner
754bafc95e fix #4267 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-11 13:54:52 -07:00
Nikolaj Bjorner
16478b415b disable order and tangent lemmas on reals 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-11 13:46:25 -07:00
Nikolaj Bjorner
81b3c440ce fix mixup between constraint indices and lpvar explanations fixes various newly reported unsoundness bugs 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-11 13:07:28 -07:00
Nikolaj Bjorner
9c972521c4 priority code 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-10 21:09:14 -07:00
Nikolaj Bjorner
99043399ce na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-10 20:28:35 -07:00
Nikolaj Bjorner
179c9c2da2 consolidate methods that add lemma specific information to under "new_lemma" 2020-05-10 18:31:57 -07:00
Nikolaj Bjorner
caee936af5 build 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-10 13:42:19 -07:00
Nikolaj Bjorner
e74faf42ad code review 2020-05-10 12:58:05 -07:00
Nikolaj Bjorner
1ecc6a21fa na 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-10 11:21:15 -07:00
Nikolaj Bjorner
d774ba9da1 fixes 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-10 09:57:24 -07:00
Nuno Lopes
6c72f39142 fix build 2020-05-10 10:35:46 +01:00
Nikolaj Bjorner
0a6908cd15 abbreviate 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-09 21:54:58 -07:00
Nikolaj Bjorner
086331a24b null 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-09 21:27:45 -07:00
Nikolaj Bjorner
30de76b529 add occurs check to other nla_basic lemmas 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-09 20:50:27 -07:00
Nikolaj Bjorner
4890c3ce31 fix #4230 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-09 18:49:00 -07:00
Nikolaj Bjorner
fdc87f286f
na (#4254) 
* remove level of indirection for context and ast_manager in smt_theory

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* add request by #4252

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* move to def

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* int

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* fix #4251

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* fix #4255

* fix #4257

* add code to debug #4246

* restore new solver as default

* na

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

* fix #4246

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-05-09 17:40:02 -07:00
Lev Nachmanson
f2449df06e introduce ul_pair associated_with_row 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-05-05 15:59:09 -07:00
Lev Nachmanson
a34c5a9450 bail out on big rational numbers in nla monotone lemmas 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-05-04 14:21:48 -07:00
Lev Nachmanson
7cfd16c7f9 correct ordered lemmas 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-04-29 10:21:45 -07:00
Lev Nachmanson
56690d16da remove incorrect order lemmas 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-04-29 10:21:45 -07:00
Lev Nachmanson
97fe2c8609 remove an assert 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-04-28 15:27:49 -07:00
Lev Nachmanson
35e3df49e2 cosmitic changes in int_branch.cpp 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-04-28 15:27:49 -07:00
Lev Nachmanson
d5162d92ad add an assert 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-04-28 15:27:49 -07:00
Lev Nachmanson
aa0f5db511 fixes 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-04-28 15:27:49 -07:00
Lev Nachmanson
f8037ffda4 always call find_feasible_solution in move_nbasic_columns_to_bounds() 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-04-28 15:27:49 -07:00
Lev Nachmanson
ba40a5752f better branching with usage_in_terms() 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-04-28 15:27:49 -07:00
Lev Nachmanson
3bbf1474f3 na 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-04-28 15:27:49 -07:00
Lev Nachmanson
0499b6b64a some fixes in branching 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-04-26 20:35:22 -07:00
Lev Nachmanson
530f77281c fixes in branching 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-04-26 16:13:47 -07:00
Nikolaj Bjorner
a884201d62 remove using insert_if_not_there2 
Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
 2020-04-25 15:08:51 -07:00
Lev Nachmanson
8c5993d9a6 max term 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-04-23 18:40:16 -07:00
Lev Nachmanson
8921ed56b5 fix a bug in Horner heuristic 
Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
 2020-04-23 15:58:53 -07:00